mac get hangs or frozen on start Up always

Hi,

The problem occurs after, when I have updated my mac mini to 10.8.4, when mac start it always hangs up and its mouse dosen't work, what i need to do then is to press power button to take machine in sleep mode, then again I need to press power button to wake up machine. After this it works normally.

But Apple products should not provide such kind of updates. Your team should provide some solutions.

Let me know if you can check my machine by taking it on remote.

I have purchase machine in Nov 2012. And I am very disappointed with the latest update. It is very bad. You guys should help to solve this problem

Regards,

Moiz.